Tightly connect the edge of the Board with logs of a log house is not an easy task. However, it is easily solved in the manner shown in the figure. You will need a line? with a number of holes pencil: sliding down from the log on the log, this pair will leave on the Board an exact copy of the surface.
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At school, for more than 40 years, engaged in the construction of various mechanisms to facilitate workplace and at home. (In the journal "Inventor and rationalizer" was placed in my...